# 256000

## 256,000 is an even composite number composed of two prime numbers multiplied together.

What does the number 256000 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 48 divisors.

256000 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 256000:

### 211 × 53

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5)

See below for interesting mathematical facts about the number 256000 from the Numbermatics database.

### Names of 256000

• Cardinal: 256000 can be written as Two hundred fifty-six thousand.

### Scientific notation

• Scientific notation: 2.56 × 105

### Factors of 256000

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7

### Divisors of 256000

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 638820
• Sum of proper divisors (its aliquot sum) s(n): 382820
• 256000 is an abundant number, because the sum of its proper divisors (382820) is greater than itself. Its abundance is 126820

### Bases of 256000

• Binary: 1111101000000000002
• Base-36: 5HJ4

### Squares and roots of 256000

• 256000 squared (2560002) is 65536000000
• 256000 cubed (2560003) is 16777216000000000
• The square root of 256000 is 505.9644256269
• The cube root of 256000 is 63.4960420787

### Scales and comparisons

How big is 256000?
• 256,000 seconds is equal to 2 days, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 256,000 would take you about two days.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 256000 cubic inches would be around 5.3 feet tall.

### Recreational maths with 256000

• 256000 backwards is 000652
• The number of decimal digits it has is: 6
• The sum of 256000's digits is 13
• More coming soon!